/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

/** \file
 * \ingroup RNA
 */

#include <stdlib.h>

#include "DNA_anim_types.h"
#include "DNA_action_types.h"
#include "DNA_scene_types.h"

#include "MEM_guardedalloc.h"

#include "BLI_utildefines.h"

#include "BLT_translation.h"

#include "BKE_action.h"

#include "RNA_access.h"
#include "RNA_define.h"
#include "RNA_enum_types.h"

#include "rna_internal.h"

#include "WM_types.h"

#ifdef RNA_RUNTIME

#  include "BLI_math_base.h"

#  include "BKE_fcurve.h"

#  include "DEG_depsgraph.h"

#  include "ED_keyframing.h"

#  include "WM_api.h"

static void rna_ActionGroup_channels_next(CollectionPropertyIterator *iter)
{
  ListBaseIterator *internal = &iter->internal.listbase;
  FCurve *fcu = (FCurve *)internal->link;
  bActionGroup *grp = fcu->grp;

  /* only continue if the next F-Curve (if existent) belongs in the same group */
  if ((fcu->next) && (fcu->next->grp == grp)) {
    internal->link = (Link *)fcu->next;
  }
  else {
    internal->link = NULL;
  }

  iter->valid = (internal->link != NULL);
}

static bActionGroup *rna_Action_groups_new(bAction *act, const char name[])
{
  return action_groups_add_new(act, name);
}

static void rna_Action_groups_remove(bAction *act, ReportList *reports, PointerRNA *agrp_ptr)
{
  bActionGroup *agrp = agrp_ptr->data;
  FCurve *fcu, *fcn;

  /* try to remove the F-Curve from the action */
  if (BLI_remlink_safe(&act->groups, agrp) == false) {
    BKE_reportf(reports,
                RPT_ERROR,
                "Action group '%s' not found in action '%s'",
                agrp->name,
                act->id.name + 2);
    return;
  }

  /* move every one one of the group's F-Curves out into the Action again */
  for (fcu = agrp->channels.first; (fcu) && (fcu->grp == agrp); fcu = fcn) {
    fcn = fcu->next;

    /* remove from group */
    action_groups_remove_channel(act, fcu);

    /* tack onto the end */
    BLI_addtail(&act->curves, fcu);
  }

  MEM_freeN(agrp);
  RNA_POINTER_INVALIDATE(agrp_ptr);

  DEG_id_tag_update(&act->id, ID_RECALC_ANIMATION_NO_FLUSH);
  WM_main_add_notifier(NC_ANIMATION | ND_KEYFRAME | NA_EDITED, NULL);
}

static FCurve *rna_Action_fcurve_new(bAction *act,
                                     Main *bmain,
                                     ReportList *reports,
                                     const char *data_path,
                                     int index,
                                     const char *group)
{
  if (group && group[0] == '\0') {
    group = NULL;
  }

  if (data_path[0] == '\0') {
    BKE_report(reports, RPT_ERROR, "F-Curve data path empty, invalid argument");
    return NULL;
  }

  /* Annoying, check if this exists. */
  if (ED_action_fcurve_find(act, data_path, index)) {
    BKE_reportf(reports,
                RPT_ERROR,
                "F-Curve '%s[%d]' already exists in action '%s'",
                data_path,
                index,
                act->id.name + 2);
    return NULL;
  }
  return ED_action_fcurve_ensure(bmain, act, group, NULL, data_path, index);
}

static FCurve *rna_Action_fcurve_find(bAction *act,
                                      ReportList *reports,
                                      const char *data_path,
                                      int index)
{
  if (data_path[0] == '\0') {
    BKE_report(reports, RPT_ERROR, "F-Curve data path empty, invalid argument");
    return NULL;
  }

  /* Returns NULL if not found. */
  return list_find_fcurve(&act->curves, data_path, index);
}

static void rna_Action_fcurve_remove(bAction *act, ReportList *reports, PointerRNA *fcu_ptr)
{
  FCurve *fcu = fcu_ptr->data;
  if (fcu->grp) {
    if (BLI_findindex(&act->groups, fcu->grp) == -1) {
      BKE_reportf(reports,
                  RPT_ERROR,
                  "F-Curve's action group '%s' not found in action '%s'",
                  fcu->grp->name,
                  act->id.name + 2);
      return;
    }

    action_groups_remove_channel(act, fcu);
    free_fcurve(fcu);
    RNA_POINTER_INVALIDATE(fcu_ptr);
  }
  else {
    if (BLI_findindex(&act->curves, fcu) == -1) {
      BKE_reportf(reports, RPT_ERROR, "F-Curve not found in action '%s'", act->id.name + 2);
      return;
    }

    BLI_remlink(&act->curves, fcu);
    free_fcurve(fcu);
    RNA_POINTER_INVALIDATE(fcu_ptr);
  }

  DEG_id_tag_update(&act->id, ID_RECALC_ANIMATION_NO_FLUSH);
  WM_main_add_notifier(NC_ANIMATION | ND_KEYFRAME | NA_EDITED, NULL);
}

static TimeMarker *rna_Action_pose_markers_new(bAction *act, const char name[])
{
  TimeMarker *marker = MEM_callocN(sizeof(TimeMarker), "TimeMarker");
  marker->flag = 1;
  marker->frame = 1;
  BLI_strncpy_utf8(marker->name, name, sizeof(marker->name));
  BLI_addtail(&act->markers, marker);
  return marker;
}

static void rna_Action_pose_markers_remove(bAction *act,
                                           ReportList *reports,
                                           PointerRNA *marker_ptr)
{
  TimeMarker *marker = marker_ptr->data;
  if (!BLI_remlink_safe(&act->markers, marker)) {
    BKE_reportf(reports,
                RPT_ERROR,
                "Timeline marker '%s' not found in action '%s'",
                marker->name,
                act->id.name + 2);
    return;
  }

  MEM_freeN(marker);
  RNA_POINTER_INVALIDATE(marker_ptr);
}

static PointerRNA rna_Action_active_pose_marker_get(PointerRNA *ptr)
{
  bAction *act = (bAction *)ptr->data;
  return rna_pointer_inherit_refine(
      ptr, &RNA_TimelineMarker, BLI_findlink(&act->markers, act->active_marker - 1));
}

static void rna_Action_active_pose_marker_set(PointerRNA *ptr,
                                              PointerRNA value,
                                              struct ReportList *UNUSED(reports))
{
  bAction *act = (bAction *)ptr->data;
  act->active_marker = BLI_findindex(&act->markers, value.data) + 1;
}

static int rna_Action_active_pose_marker_index_get(PointerRNA *ptr)
{
  bAction *act = (bAction *)ptr->data;
  return MAX2(act->active_marker - 1, 0);
}

static void rna_Action_active_pose_marker_index_set(PointerRNA *ptr, int value)
{
  bAction *act = (bAction *)ptr->data;
  act->active_marker = value + 1;
}

static void rna_Action_active_pose_marker_index_range(
    PointerRNA *ptr, int *min, int *max, int *UNUSED(softmin), int *UNUSED(softmax))
{
  bAction *act = (bAction *)ptr->data;

  *min = 0;
  *max = max_ii(0, BLI_listbase_count(&act->markers) - 1);
}

static void rna_Action_frame_range_get(PointerRNA *ptr, float *values)
{ /* don't include modifiers because they too easily can have very large
   * ranges: MINAFRAMEF to MAXFRAMEF. */
  calc_action_range((bAction *)ptr->owner_id, values, values + 1, false);
}

/* Used to check if an action (value pointer)
 * is suitable to be assigned to the ID-block that is ptr. */
bool rna_Action_id_poll(PointerRNA *ptr, PointerRNA value)
{
  ID *srcId = ptr->owner_id;
  bAction *act = (bAction *)value.owner_id;

  if (act) {
    /* there can still be actions that will have undefined id-root
     * (i.e. floating "action-library" members) which we will not
     * be able to resolve an idroot for automatically, so let these through
     */
    if (act->idroot == 0) {
      return 1;
    }
    else if (srcId) {
      return GS(srcId->name) == act->idroot;
    }
  }

  return 0;
}

/* Used to check if an action (value pointer)
 * can be assigned to Action Editor given current mode. */
bool rna_Action_actedit_assign_poll(PointerRNA *ptr, PointerRNA value)
{
  SpaceAction *saction = (SpaceAction *)ptr->data;
  bAction *act = (bAction *)value.owner_id;

  if (act) {
    /* there can still be actions that will have undefined id-root
     * (i.e. floating "action-library" members) which we will not
     * be able to resolve an idroot for automatically, so let these through
     */
    if (act->idroot == 0) {
      return 1;
    }

    if (saction) {
      if (saction->mode == SACTCONT_ACTION) {
        /* this is only Object-level for now... */
        return act->idroot == ID_OB;
      }
      else if (saction->mode == SACTCONT_SHAPEKEY) {
        /* obviously shapekeys only */
        return act->idroot == ID_KE;
      }
    }
  }

  return 0;
}

static char *rna_DopeSheet_path(PointerRNA *UNUSED(ptr))
{
  return BLI_strdup("dopesheet");
}

#else

static void rna_def_dopesheet(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;

  srna = RNA_def_struct(brna, "DopeSheet", NULL);
  RNA_def_struct_sdna(srna, "bDopeSheet");
  RNA_def_struct_path_func(srna, "rna_DopeSheet_path");
  RNA_def_struct_ui_text(
      srna, "Dope Sheet", "Settings for filtering the channels shown in animation editors");

  /* Source of DopeSheet data */
  /* XXX: make this obsolete? */
  prop = RNA_def_property(srna, "source", PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(prop, "ID");
  RNA_def_property_ui_text(
      prop, "Source", "ID-Block representing source data, usually ID_SCE (i.e. Scene)");

  /* Show data-block filters */
  prop = RNA_def_property(srna, "show_datablock_filters", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", ADS_FLAG_SHOW_DBFILTERS);
  RNA_def_property_ui_text(
      prop,
      "Show Datablock Filters",
      "Show options for whether channels related to certain types of data are included");
  RNA_def_property_ui_icon(prop, ICON_DISCLOSURE_TRI_RIGHT, 1);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN, NULL);

  /* General Filtering Settings */
  prop = RNA_def_property(srna, "show_only_selected", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "filterflag", ADS_FILTER_ONLYSEL);
  RNA_def_property_ui_text(
      prop, "Only Selected", "Only include channels relating to selected objects and data");
  RNA_def_property_ui_icon(prop, ICON_RESTRICT_SELECT_OFF, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "show_hidden", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "filterflag", ADS_FILTER_INCL_HIDDEN);
  RNA_def_property_ui_text(
      prop, "Display Hidden", "Include channels from objects/bone that are not visible");
  RNA_def_property_ui_icon(prop, ICON_OBJECT_HIDDEN, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "use_datablock_sort", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "flag", ADS_FLAG_NO_DB_SORT);
  RNA_def_property_ui_text(prop,
                           "Sort Data-Blocks",
                           "Alphabetically sorts data-blocks - mainly objects in the scene "
                           "(disable to increase viewport speed)");
  RNA_def_property_ui_icon(prop, ICON_SORTALPHA, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  /* Debug Filtering Settings */
  prop = RNA_def_property(srna, "show_only_errors", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "filterflag", ADS_FILTER_ONLY_ERRORS);
  RNA_def_property_ui_text(
      prop, "Show Errors", "Only include F-Curves and drivers that are disabled or have errors");
  RNA_def_property_ui_icon(prop, ICON_ERROR, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  /* Object Collection Filtering Settings */
  prop = RNA_def_property(srna, "filter_collection", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "filter_grp");
  RNA_def_property_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(
      prop, "Filtering Collection", "Collection that included object should be a member of");
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  /* FCurve Display Name Search Settings */
  prop = RNA_def_property(srna, "filter_fcurve_name", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, NULL, "searchstr");
  RNA_def_property_ui_text(prop, "F-Curve Name Filter", "F-Curve live filtering string");
  RNA_def_property_ui_icon(prop, ICON_VIEWZOOM, 0);
  RNA_def_property_flag(prop, PROP_TEXTEDIT_UPDATE);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  /* NLA Name Search Settings (Shared with FCurve setting, but with different labels) */
  prop = RNA_def_property(srna, "filter_text", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, NULL, "searchstr");
  RNA_def_property_ui_text(prop, "Name Filter", "Live filtering string");
  RNA_def_property_flag(prop, PROP_TEXTEDIT_UPDATE);
  RNA_def_property_ui_icon(prop, ICON_VIEWZOOM, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  /* Multi-word fuzzy search option for name/text filters */
  prop = RNA_def_property(srna, "use_multi_word_filter", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", ADS_FLAG_FUZZY_NAMES);
  RNA_def_property_ui_text(
      prop, "Multi-Word Fuzzy Filter", "Perform fuzzy/multi-word matching (WARNING: May be slow)");
  RNA_def_property_ui_icon(prop, ICON_SORTALPHA, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  /* NLA Specific Settings */
  prop = RNA_def_property(srna, "show_missing_nla", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "filterflag", ADS_FILTER_NLA_NOACT);
  RNA_def_property_ui_text(prop,
                           "Include Missing NLA",
                           "Include animation data-blocks with no NLA data (NLA editor only)");
  RNA_def_property_ui_icon(prop, ICON_ACTION, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  /* Summary Settings (DopeSheet editors only) */
  prop = RNA_def_property(srna, "show_summary", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "filterflag", ADS_FILTER_SUMMARY);
  RNA_def_property_ui_text(
      prop, "Display Summary", "Display an additional 'summary' line (Dope Sheet editors only)");
  RNA_def_property_ui_icon(prop, ICON_BORDERMOVE, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "show_expanded_summary", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "flag", ADS_FLAG_SUMMARY_COLLAPSED);
  RNA_def_property_ui_text(
      prop,
      "Collapse Summary",
      "Collapse summary when shown, so all other channels get hidden (Dope Sheet editors only)");
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  /* General DataType Filtering Settings */
  prop = RNA_def_property(srna, "show_transforms", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "filterflag", ADS_FILTER_NOOBJ);
  RNA_def_property_ui_text(
      prop,
      "Display Transforms",
      "Include visualization of object-level animation data (mostly transforms)");
  RNA_def_property_ui_icon(prop, ICON_ORIENTATION_GLOBAL, 0); /* XXX? */
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "show_shapekeys", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "filterflag", ADS_FILTER_NOSHAPEKEYS);
  RNA_def_property_ui_text(
      prop, "Display Shapekeys", "Include visualization of shape key related animation data");
  RNA_def_property_ui_icon(prop, ICON_SHAPEKEY_DATA, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "show_modifiers", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "filterflag", ADS_FILTER_NOMODIFIERS);
  RNA_def_property_ui_text(
      prop,
      "Display Modifier Data",
      "Include visualization of animation data related to data-blocks linked to modifiers");
  RNA_def_property_ui_icon(prop, ICON_MODIFIER_DATA, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "show_meshes", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "filterflag", ADS_FILTER_NOMESH);
  RNA_def_property_ui_text(
      prop, "Display Meshes", "Include visualization of mesh related animation data");
  RNA_def_property_ui_icon(prop, ICON_OUTLINER_OB_MESH, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "show_lattices", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "filterflag", ADS_FILTER_NOLAT);
  RNA_def_property_ui_text(
      prop, "Display Lattices", "Include visualization of lattice related animation data");
  RNA_def_property_ui_icon(prop, ICON_OUTLINER_OB_LATTICE, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "show_cameras", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "filterflag", ADS_FILTER_NOCAM);
  RNA_def_property_ui_text(
      prop, "Display Camera", "Include visualization of camera related animation data");
  RNA_def_property_ui_icon(prop, ICON_OUTLINER_OB_CAMERA, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "show_materials", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "filterflag", ADS_FILTER_NOMAT);
  RNA_def_property_ui_text(
      prop, "Display Material", "Include visualization of material related animation data");
  RNA_def_property_ui_icon(prop, ICON_MATERIAL_DATA, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "show_lights", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "filterflag", ADS_FILTER_NOLAM);
  RNA_def_property_ui_text(
      prop, "Display Light", "Include visualization of light related animation data");
  RNA_def_property_ui_icon(prop, ICON_OUTLINER_OB_LIGHT, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "show_linestyles", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "filterflag", ADS_FILTER_NOLINESTYLE);
  RNA_def_property_ui_text(
      prop, "Display Line Style", "Include visualization of Line Style related Animation data");
  RNA_def_property_ui_icon(prop, ICON_LINE_DATA, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "show_textures", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "filterflag", ADS_FILTER_NOTEX);
  RNA_def_property_ui_text(
      prop, "Display Texture", "Include visualization of texture related animation data");
  RNA_def_property_ui_icon(prop, ICON_TEXTURE_DATA, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "show_curves", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "filterflag", ADS_FILTER_NOCUR);
  RNA_def_property_ui_text(
      prop, "Display Curve", "Include visualization of curve related animation data");
  RNA_def_property_ui_icon(prop, ICON_CURVE_DATA, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "show_worlds", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "filterflag", ADS_FILTER_NOWOR);
  RNA_def_property_ui_text(
      prop, "Display World", "Include visualization of world related animation data");
  RNA_def_property_ui_icon(prop, ICON_WORLD_DATA, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "show_scenes", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "filterflag", ADS_FILTER_NOSCE);
  RNA_def_property_ui_text(
      prop, "Display Scene", "Include visualization of scene related animation data");
  RNA_def_property_ui_icon(prop, ICON_SCENE_DATA, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "show_particles", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "filterflag", ADS_FILTER_NOPART);
  RNA_def_property_ui_text(
      prop, "Display Particle", "Include visualization of particle related animation data");
  RNA_def_property_ui_icon(prop, ICON_PARTICLE_DATA, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "show_metaballs", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "filterflag", ADS_FILTER_NOMBA);
  RNA_def_property_ui_text(
      prop, "Display Metaball", "Include visualization of metaball related animation data");
  RNA_def_property_ui_icon(prop, ICON_OUTLINER_OB_META, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "show_armatures", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "filterflag", ADS_FILTER_NOARM);
  RNA_def_property_ui_text(
      prop, "Display Armature", "Include visualization of armature related animation data");
  RNA_def_property_ui_icon(prop, ICON_OUTLINER_OB_ARMATURE, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "show_nodes", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "filterflag", ADS_FILTER_NONTREE);
  RNA_def_property_ui_text(
      prop, "Display Node", "Include visualization of node related animation data");
  RNA_def_property_ui_icon(prop, ICON_NODETREE, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "show_speakers", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "filterflag", ADS_FILTER_NOSPK);
  RNA_def_property_ui_text(
      prop, "Display Speaker", "Include visualization of speaker related animation data");
  RNA_def_property_ui_icon(prop, ICON_OUTLINER_OB_SPEAKER, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "show_cache_files", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "filterflag2", ADS_FILTER_NOCACHEFILES);
  RNA_def_property_ui_text(
      prop, "Display Cache Files", "Include visualization of cache file related animation data");
  RNA_def_property_ui_icon(prop, ICON_FILE, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "show_gpencil", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "filterflag", ADS_FILTER_NOGPENCIL);
  RNA_def_property_ui_text(
      prop,
      "Display Grease Pencil",
      "Include visualization of Grease Pencil related animation data and frames");
  RNA_def_property_ui_icon(prop, ICON_OUTLINER_OB_GREASEPENCIL, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "show_movieclips", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "filterflag2", ADS_FILTER_NOMOVIECLIPS);
  RNA_def_property_ui_text(
      prop, "Display Movie Clips", "Include visualization of movie clip related animation data");
  RNA_def_property_ui_icon(prop, ICON_TRACKER, 0);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);
}

static void rna_def_action_group(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;

  srna = RNA_def_struct(brna, "ActionGroup", NULL);
  RNA_def_struct_sdna(srna, "bActionGroup");
  RNA_def_struct_ui_text(srna, "Action Group", "Groups of F-Curves");

  prop = RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
  RNA_def_property_ui_text(prop, "Name", "");
  RNA_def_struct_name_property(srna, prop);
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  /* WARNING: be very careful when working with this list, since the endpoint is not
   * defined like a standard ListBase. Adding/removing channels from this list needs
   * extreme care, otherwise the F-Curve list running through adjacent groups does
   * not match up with the one stored in the Action, resulting in curves which do not
   * show up in animation editors. In extreme cases, animation may also selectively
   * fail to play back correctly.
   *
   * If such changes are required, these MUST go through the API functions for manipulating
   * these F-Curve groupings. Also, note that groups only apply in actions ONLY.
   */
  prop = RNA_def_property(srna, "channels", PROP_COLLECTION, PROP_NONE);
  RNA_def_property_collection_sdna(prop, NULL, "channels", NULL);
  RNA_def_property_struct_type(prop, "FCurve");
  RNA_def_property_collection_funcs(
      prop, NULL, "rna_ActionGroup_channels_next", NULL, NULL, NULL, NULL, NULL, NULL);
  RNA_def_property_ui_text(prop, "Channels", "F-Curves in this group");

  prop = RNA_def_property(srna, "select", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", AGRP_SELECTED);
  RNA_def_property_ui_text(prop, "Select", "Action group is selected");
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_SELECTED, NULL);

  prop = RNA_def_property(srna, "lock", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", AGRP_PROTECTED);
  RNA_def_property_ui_text(prop, "Lock", "Action group is locked");
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "show_expanded", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_flag(prop, PROP_NO_DEG_UPDATE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", AGRP_EXPANDED);
  RNA_def_property_ui_text(prop, "Expanded", "Action group is expanded except in graph editor");
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "show_expanded_graph", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_flag(prop, PROP_NO_DEG_UPDATE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", AGRP_EXPANDED_G);
  RNA_def_property_ui_text(
      prop, "Expanded in Graph Editor", "Action group is expanded in graph editor");
  RNA_def_property_update(prop, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);

  /* color set */
  rna_def_actionbone_group_common(srna, NC_ANIMATION | ND_ANIMCHAN | NA_EDITED, NULL);
}

/* fcurve.keyframe_points */
static void rna_def_action_groups(BlenderRNA *brna, PropertyRNA *cprop)
{
  StructRNA *srna;

  FunctionRNA *func;
  PropertyRNA *parm;

  RNA_def_property_srna(cprop, "ActionGroups");
  srna = RNA_def_struct(brna, "ActionGroups", NULL);
  RNA_def_struct_sdna(srna, "bAction");
  RNA_def_struct_ui_text(srna, "Action Groups", "Collection of action groups");

  func = RNA_def_function(srna, "new", "rna_Action_groups_new");
  RNA_def_function_ui_description(func, "Create a new action group and add it to the action");
  parm = RNA_def_string(func, "name", "Group", 0, "", "New name for the action group");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);

  parm = RNA_def_pointer(func, "action_group", "ActionGroup", "", "Newly created action group");
  RNA_def_function_return(func, parm);

  func = RNA_def_function(srna, "remove", "rna_Action_groups_remove");
  RNA_def_function_ui_description(func, "Remove action group");
  RNA_def_function_flag(func, FUNC_USE_REPORTS);
  parm = RNA_def_pointer(func, "action_group", "ActionGroup", "", "Action group to remove");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED | PARM_RNAPTR);
  RNA_def_parameter_clear_flags(parm, PROP_THICK_WRAP, 0);
}

static void rna_def_action_fcurves(BlenderRNA *brna, PropertyRNA *cprop)
{
  StructRNA *srna;

  FunctionRNA *func;
  PropertyRNA *parm;

  RNA_def_property_srna(cprop, "ActionFCurves");
  srna = RNA_def_struct(brna, "ActionFCurves", NULL);
  RNA_def_struct_sdna(srna, "bAction");
  RNA_def_struct_ui_text(srna, "Action F-Curves", "Collection of action F-Curves");

  /* Action.fcurves.new(...) */
  func = RNA_def_function(srna, "new", "rna_Action_fcurve_new");
  RNA_def_function_ui_description(func, "Add an F-Curve to the action");
  RNA_def_function_flag(func, FUNC_USE_REPORTS | FUNC_USE_MAIN);
  parm = RNA_def_string(func, "data_path", NULL, 0, "Data Path", "F-Curve data path to use");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
  RNA_def_int(func, "index", 0, 0, INT_MAX, "Index", "Array index", 0, INT_MAX);
  RNA_def_string(
      func, "action_group", NULL, 0, "Action Group", "Acton group to add this F-Curve into");

  parm = RNA_def_pointer(func, "fcurve", "FCurve", "", "Newly created F-Curve");
  RNA_def_function_return(func, parm);

  /* Action.fcurves.find(...) */
  func = RNA_def_function(srna, "find", "rna_Action_fcurve_find");
  RNA_def_function_ui_description(
      func,
      "Find an F-Curve. Note that this function performs a linear scan "
      "of all F-Curves in the action.");
  RNA_def_function_flag(func, FUNC_USE_REPORTS);
  parm = RNA_def_string(func, "data_path", NULL, 0, "Data Path", "F-Curve data path");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
  RNA_def_int(func, "index", 0, 0, INT_MAX, "Index", "Array index", 0, INT_MAX);
  parm = RNA_def_pointer(
      func, "fcurve", "FCurve", "", "The found F-Curve, or None if it doesn't exist");
  RNA_def_function_return(func, parm);

  /* Action.fcurves.remove(...) */
  func = RNA_def_function(srna, "remove", "rna_Action_fcurve_remove");
  RNA_def_function_ui_description(func, "Remove action group");
  RNA_def_function_flag(func, FUNC_USE_REPORTS);
  parm = RNA_def_pointer(func, "fcurve", "FCurve", "", "F-Curve to remove");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED | PARM_RNAPTR);
  RNA_def_parameter_clear_flags(parm, PROP_THICK_WRAP, 0);
}

static void rna_def_action_pose_markers(BlenderRNA *brna, PropertyRNA *cprop)
{
  StructRNA *srna;
  PropertyRNA *prop;

  FunctionRNA *func;
  PropertyRNA *parm;

  RNA_def_property_srna(cprop, "ActionPoseMarkers");
  srna = RNA_def_struct(brna, "ActionPoseMarkers", NULL);
  RNA_def_struct_sdna(srna, "bAction");
  RNA_def_struct_ui_text(srna, "Action Pose Markers", "Collection of timeline markers");

  func = RNA_def_function(srna, "new", "rna_Action_pose_markers_new");
  RNA_def_function_ui_description(func, "Add a pose marker to the action");
  parm = RNA_def_string(func, "name", "Marker", 0, NULL, "New name for the marker (not unique)");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
  parm = RNA_def_pointer(func, "marker", "TimelineMarker", "", "Newly created marker");
  RNA_def_function_return(func, parm);

  func = RNA_def_function(srna, "remove", "rna_Action_pose_markers_remove");
  RNA_def_function_ui_description(func, "Remove a timeline marker");
  RNA_def_function_flag(func, FUNC_USE_REPORTS);
  parm = RNA_def_pointer(func, "marker", "TimelineMarker", "", "Timeline marker to remove");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED | PARM_RNAPTR);
  RNA_def_parameter_clear_flags(parm, PROP_THICK_WRAP, 0);

  prop = RNA_def_property(srna, "active", PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(prop, "TimelineMarker");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_LIB_EXCEPTION);
  RNA_def_property_pointer_funcs(
      prop, "rna_Action_active_pose_marker_get", "rna_Action_active_pose_marker_set", NULL, NULL);
  RNA_def_property_ui_text(prop, "Active Pose Marker", "Active pose marker for this action");

  prop = RNA_def_property(srna, "active_index", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_int_sdna(prop, NULL, "active_marker");
  RNA_def_property_flag(prop, PROP_LIB_EXCEPTION);
  RNA_def_property_int_funcs(prop,
                             "rna_Action_active_pose_marker_index_get",
                             "rna_Action_active_pose_marker_index_set",
                             "rna_Action_active_pose_marker_index_range");
  RNA_def_property_ui_text(prop, "Active Pose Marker Index", "Index of active pose marker");
}

static void rna_def_action(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;

  srna = RNA_def_struct(brna, "Action", "ID");
  RNA_def_struct_sdna(srna, "bAction");
  RNA_def_struct_ui_text(srna, "Action", "A collection of F-Curves for animation");
  RNA_def_struct_ui_icon(srna, ICON_ACTION);

  /* collections */
  prop = RNA_def_property(srna, "fcurves", PROP_COLLECTION, PROP_NONE);
  RNA_def_property_collection_sdna(prop, NULL, "curves", NULL);
  RNA_def_property_struct_type(prop, "FCurve");
  RNA_def_property_ui_text(prop, "F-Curves", "The individual F-Curves that make up the action");
  rna_def_action_fcurves(brna, prop);

  prop = RNA_def_property(srna, "groups", PROP_COLLECTION, PROP_NONE);
  RNA_def_property_collection_sdna(prop, NULL, "groups", NULL);
  RNA_def_property_struct_type(prop, "ActionGroup");
  RNA_def_property_ui_text(prop, "Groups", "Convenient groupings of F-Curves");
  rna_def_action_groups(brna, prop);

  prop = RNA_def_property(srna, "pose_markers", PROP_COLLECTION, PROP_NONE);
  RNA_def_property_collection_sdna(prop, NULL, "markers", NULL);
  RNA_def_property_struct_type(prop, "TimelineMarker");
  /* Use lib exception so the list isn't grayed out;
   * adding/removing is still banned though, see T45689. */
  RNA_def_property_flag(prop, PROP_LIB_EXCEPTION);
  RNA_def_property_ui_text(
      prop, "Pose Markers", "Markers specific to this action, for labeling poses");
  rna_def_action_pose_markers(brna, prop);

  /* properties */
  prop = RNA_def_float_vector(srna,
                              "frame_range",
                              2,
                              NULL,
                              0,
                              0,
                              "Frame Range",
                              "The final frame range of all F-Curves within this action",
                              0,
                              0);
  RNA_def_property_float_funcs(prop, "rna_Action_frame_range_get", NULL, NULL);
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);

  /* special "type" limiter - should not really be edited in general,
   * but is still available/editable in 'emergencies' */
  prop = RNA_def_property(srna, "id_root", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "idroot");
  RNA_def_property_enum_items(prop, rna_enum_id_type_items);
  RNA_def_property_ui_text(prop,
                           "ID Root Type",
                           "Type of ID block that action can be used on - "
                           "DO NOT CHANGE UNLESS YOU KNOW WHAT YOU ARE DOING");
  RNA_def_property_translation_context(prop, BLT_I18NCONTEXT_ID_ID);

  /* API calls */
  RNA_api_action(srna);
}

/* --------- */

void RNA_def_action(BlenderRNA *brna)
{
  rna_def_action(brna);
  rna_def_action_group(brna);
  rna_def_dopesheet(brna);
}

#endif
